1702116409 has 4 divisors (see below), whose sum is σ = 1945275904. Its totient is φ = 1458956916.

The previous prime is 1702116391. The next prime is 1702116413. The reversal of 1702116409 is 9046112071.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1702116409 - 2⁷ = 1702116281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1702116419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121579737 + ... + 121579750.

It is an arithmetic number, because the mean of its divisors is an integer number (486318976).

Almost surely, 2^1702116409 is an apocalyptic number.

It is an amenable number.

1702116409 is a deficient number, since it is larger than the sum of its proper divisors (243159495).

1702116409 is an equidigital number, since it uses as much as digits as its factorization.

1702116409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243159494.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 1702116409 is about 41256.7135021683. The cubic root of 1702116409 is about 1193.9782607686.

The spelling of 1702116409 in words is "one billion, seven hundred two million, one hundred sixteen thousand, four hundred nine".